Monoazo dyestuffs.



- .lillmlvxlplr L Ail/iii 02s LEVERKUSEN, moss; some-1m, :su" 'vorsiu.ammo 52: 00., F

IELBEILIFELIJ, fiI-ERIQAIIY, is COHJEQEIB'EION (3F GERMAN.

35611053526 DYEQTUFFS.

4 o M Li lei-(i: 2 i.

No lh-ava'izig.

To all 1'1]! om. it m (:1/ concern.

Be it known that we, lilEl'NRYCH JORDAN :irul. Winn; .7-3 Nenmiiziiui.doctors of pliilos ogiliy, cl 'iisls, citizens oi the German Empire,residing at Leverkusen, near Cologneoirlluvllliing Germany, haveinvented new and useful I1l)} )l'()\GlllQI1l;S in lilonouzo Dye ls ofwhich the following is a specificssoul lion.

l'i'e have found tl Hi new and valuable .iuonoum :tuii's cziube obtainedby comliizi" coni 'iouiuls prcjzircrl from pill'tlflxl.l.li+ 2ll ll('llf.l(l compounds :IlllilHr-l-WN i -:--.irl oi vlic uci l),, such usPill'ilfilllllhi iqxlic iiL'lll llmmiuo-lor y-2 cu1-li -'lii-:rpurzi-zuuino-sulfowilicylic uciil, PM :H!1l?1(ll]'i(-t21"Oloi'ilio-cresotinii: mu, vlilorw uurl I)lt1 FPHi'21-:ll?1lnll-FiillCyllCmills will: mi:l3i1:iuinouupliiliol COlllpOlllllls e. :u-ul-11i1iziouupl'itliols and their sul- 'a OIIlV :uius. 'l'lic new (lyos:u'e ufler being dried unil pulverized in the shape of their alkalinemills-41ml; pouujers soluble in untcr gl'encrully Will] :1 red tollllllSll-lfll coloriuioii mu l3 v flii'Ollll'flllQd sulfuric :1Cl(lwith :i l'Nl to violet coloration and yielding poll reduction withacetic acid and zinc powder u puru-uu1inoszilicyliciici l compound an lan iuuinwuciilylzuuino-nziplitliol compound.

From Bori'leuux to violet to blue chrome lakes fast to clilorin and soapcan be produced on the fiber with the new coloring mailers.

l n order lo illustruie the new process more full the iolla'n cino:egzuuplc given, the parts licing by 'weiglitz-lll-.7 parts oflumino($-nietlil y-l-o:;y-2-curl2oXylic acid are :liuzotizcd with partsof hydrochloric acid (19%" B6.) unil (3.9 parts of sodium nitrite. Thesuspension oi the dingo compound thus obtained is tlu-u stirred into :1colil solution of 40.5 parts of illQ ilisoiliuui salt or the 2lQ(5lJl"l-l*filll'llIlO-S iiuplitlio-l 3 (l (lisulfonic 21(flll uiul ll? purtsof soda in lOOQparis of water. After about 12 hours stirring 'tliecombination is coiupl lle and nearly all lilie dyestuii' has separated.It is after losing clried and pulverized in the shape is sodium. salt u(lurk powder soluble in Water with i red-violet coloration mud inconcentinted sulfuric uoi l with a red-blue colora- Spemifica'tion 0!.Letters Patent.

.iuninonuphtliol compounds, which are after lion; and yielding uponreduction with zinc A Patented fist-2'3, 1914 [Application filed April16, 1813. Serial No. 2131;;76.

powder and acetic acid l-aminrrfi-mel:l1yl-1- oxy-Q-parlvo'xylic acidand 1-acetyla.mino-7-, ili'llinO -S 023* iisphllialin- 3.5 disulfonicacid. It has in a free state most probably the formula: v

csE 011- Nii-cocm (loos hen printed with acetateof Chromium on the fibera pure violet shade is obtained lius to chlorin and soap.

Other :icidyl products can be used, such as the l QIlZOYl-(ll'lVlltlVBSof aminonaphthol compounds, etc, or acidyl derivatives of otheraminonaplitliol compounds, such as of ills 1.5.3 l.8.-l.6-, 1. .3.5-,1.8.2.43 1.8;5, 1.4.? :iiuinonophthol sulfonic acid,l-scetylinninoJ-mplilliol, etc.

1. The herein described new monoazo dye stuffs having as components theradicals of plllil-ill11lI1OSilllCYllC acicl compounds L-.unino--]-ofcy-2-carboxylic acid) and acidylbeing dried and.pulverizeii in the shape oftllGlljrlliZlllflQ sol... (lurk powderssoluble in water generally with a red to bluish-red coloration and inconcentrated sulfuri-cocid \Yle'll :1 red to violet coloration; yieldingupon reduction with acetic acid and zinc powder a para aminosalicylicamid compound and an sci lyldi-amin0naphl1ol coinpouiul; and furnishingon the fiber from Bordeaux to violet to blue chrome lakes fast to(:lllOI'lIl and to soap, substantially as'de- The lierein-descrioedneivmonoazo (lyestufls having as components the radicals of substitutedpiira-an inosalioylic acid compounds (sl-iunino -l-oxy-Qlrcarboxylicacid) and uoiilylainiuonaplitliol compounds, which are after being"dried and pulverized in the shape of their alkaline salts dark powderssoluble in water generally with a red to bluish-red coloration and inconcentrated sulfuric acid with a red to violet coloration; yieldingupon reduction with acetic acid and zinc powders subsiiti tedpara-aminosali cylic scicl oompound a'nc l m1 acilyl-dila.minonaphtl'io'l compound; and furnishing on the pound and anacidyldiaminonophtl ol sulfonic acid; and furnishing on the fiber fromBordeaux to violet to blue chrome lakes fast to chlorin and to soap,substantially as described. f g

d. The licrein described nlew monoazo dyesgaufi's having as componentsthe radicals oi fiara-aminosalicylic! acid compounds (4:-amino-l-bxy-Q-carbgiirylic acid) and acidylaminonaplithol dislulfonicacids, which are {after being dried, and pulverized in the ships oftheir alkaline salts dark powders i soluble in Water; generally with ared to bluish red coloration and in concentrated sulfuric acid with ared to violet coloration; yielding upon reduction with acetic acid andzinc powder a para-aminosalicylic acid compound and anacidyl-diaminonaphtliol set our hands in the. presence from Bordeaux toviolet to blue chrome lakes fast to chlorin and to soap, substantiallyas described.

5. The herein described new monoazo dyestufi having n a free state mostprobably the formula:

(i003 so3n-\ /\/-SO H which is after being dried and pulverized in theshape of its sodium salt a dark powder soluble in Water with ared-violet coloration and in concentrated sulfuric acid with a red bluecoloration; yielding upon reduction with zinc powder and acetic acidpara-aminoortho-lcresotinic acid and 1-acetylamino-7amino-8-oXynaphthalin-3.(S-disulfonic acid;

furni'shingwhen printed on the fiber with.

acetate of chromium violet shades fast to chlorin and to soap,substantially as described.

In testimony whereof We have hereunto of two s '3- scribing WllJIlQSSGS.

HEINRICH JORDAN. [1,. a] WILHELM NEELMEIER. [L5,] Witnesses: I

DORA Norm, HELEN Norm.

' disulfonic acid; and'furnisbing on the fiber

